Choosing a barrel for a firearm is a crucial decision for any gun owner; Stormlake takes away the guesswork. Machined from 416R stainless steel, Stormlake provides high-performance barrels at an affordable cost. Match grade and hardened to 40-42 on the Rockwell C-Scale, Stormlake barrels combine strength, durability, and impeccable accuracy in a drop-in package.